54764-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54764-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,6 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54764-62:
(7*5)+(6*4)+(5*7)+(4*6)+(3*4)+(2*6)+(1*2)=144
144 % 10 = 4
So 54764-62-4 is a valid CAS Registry Number.